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Unformatted text preview: Also, do the following additional problems. A. True or false? (and why?): If f is continuous on a closed interval [ a,b ], then f attains a local maximum value f ( c ) and a local minimum value f ( d ) at some numbers c and d in [ a,b ]. B. Show that the function 2 x + sin x is invertible. (Hint: To show that the function f ( x ) = 2 x + sin x is invertible, rst use f ( x ) to show that f ( x ) is an increasing function.) Please dont forget to write down on your assignment who you worked on the assignment with (if nobody, then write I worked alone), and write down on your timesheet how many minutes you spent on each problem (this doesnt need to be exact)....
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 Fall '11
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 Math, Calculus

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